WIP multi-currency support using unstable mollie-api-ruby client.

Gemfile

@@ -2,7 +2,7 @@ source "https://rubygems.org"
 
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
-gem 'mollie-api-ruby', '~> 3.1.4'
+gem 'mollie-api-ruby', :git => 'git://github.com/mollie/mollie-api-ruby.git', :branch => 'mollie-v2'
 
 # Specify your gem's dependencies in spree_mollie_gateway.gemspec
 gemspec

app/models/spree/gateway/mollie_gateway.rb

@@ -72,9 +72,13 @@ def prepare_payment_params(money_in_cents, source, gateway_options)
       order_number = gateway_options[:order_id]
       customer_id = gateway_options[:customer_id]
       amount = money_in_cents / 100.0
+      currency = gateway_options[:currency]
 
       order_params = {
-          amount: amount,
+          amount: {
+              value: amount.to_s,
+              currency: currency
+          },
           description: "Spree Order: #{order_number}",
           redirectUrl: spree_routes.mollie_validate_payment_mollie_url(
               order_number: order_number,

spec/factories/mollie_gateway_factory.rb

@@ -4,7 +4,7 @@
 
     before(:create) do |gateway|
       gateway.preferences[:api_key] = ENV['MOLLIE_API_KEY']
-      gateway.preferences[:hostname] = 'https://example.com'
+      gateway.preferences[:hostname] = 'https://mollie.test'
     end
   end
 end

spec/factories/mollie_payment_source_factory.rb

@@ -1,5 +1,12 @@
 FactoryBot.define do
-  factory :mollie_payment_source, class: Spree::MolliePaymentSource do
+  # Creditcard payment
+  factory :mollie_cc_payment_source, class: Spree::MolliePaymentSource do
+    payment_method_name 'creditcard'
+    status 'open'
+  end
+
+  # iDEAL payment
+  factory :mollie_ideal_payment_source, class: Spree::MolliePaymentSource do
     payment_method_name 'ideal'
     issuer 'ideal_ABNANL2A'
     status 'open'

spec/factories/payment_factory_decorator.rb

@@ -2,7 +2,15 @@
   factory :mollie_payment, class: Spree::Payment do
     amount 12.73
     association(:payment_method, factory: :mollie_gateway)
-    association(:source, factory: :mollie_payment_source)
+    association(:source, factory: :mollie_cc_payment_source)
+    order
+    state 'checkout'
+  end
+
+  factory :mollie_multicurrency_payment, class: Spree::Payment do
+    amount 12.73
+    association(:payment_method, factory: :mollie_gateway)
+    association(:source, factory: :mollie_ideal_payment_source)
     order
     state 'checkout'
   end

spec/models/spree/gateway/mollie_gateway_spec.rb

@@ -62,5 +62,9 @@
         expect(gateway.available_payment_methods.first.issuers.first).to include('id' => 'ideal_ABNANL2A', 'method' => 'ideal')
       end
     end
+
+    context 'multi-currency' do
+      it 'should '
+    end
   end
 end

spree_mollie_gateway.gemspec

@@ -50,5 +50,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'coffee-rails'
   spec.add_development_dependency 'database_cleaner'
 
-  spec.add_runtime_dependency 'mollie-api-ruby', '~> 3.1', '>= 3.1.4'
+  spec.add_runtime_dependency 'mollie-api-ruby'
 end